MDD VS400 - Common Faults and Solutions

18 V2.0
Valley wavelength of
visible light
About 530nm
Atmospheric
Pressure(operating and
storage)
700hPa to1060hPa
Operating humidity
10-90% (non-condensing)
Operating temperature
10°C to 30°C
Storage humidity
0-90% (non-condensing)
Storage temperature
0°C to 60°C
8. Common Faults and Solutions
Symptom
Reason
Solution
Boot no
display
battery run out
Charge battery
Power error
Reboot after restart main switch
Cannot
boot
System error
Reboot after shutdown
Reboot after restart main switch
Display
no image
Operation error
Reboot after restart main switch
Note: If you find other faults and cannot be solved, please contact
the manufacturer which will provide essential circuit
diagrams, component part lists, descriptions, calibration
instructions to assist to service person in parts repair.